B23n — Sicilian: Chameleon Variation

1.e4 c5 2.Nc3 Nc6 3.Nge2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte d5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; d3 (Libérer Bc1) ; Bd3 (Développer Bf1) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur les cases fortes b4 et d4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nf6 (Développer Ng8) ; ...Bd6 (Développer Bf8) ; ...c4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v0)	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (1v0)	● d4 (2v1), ● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	5 (g8, c8, f8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d2-d3, ● e4-e5, ● f2-f3	● …c5-c4, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1904 London – Round 15 – Teichmann, Richard – 1-0 – Brown, Fred – G44 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 4. d3 g6 5. Be3 Bg7 6. Qd2 d6 7. h3 Bd7 8. Nd1 Bc6 9. c3 Nb5 10. f3 e6
1904 London ENG – Round 11 – Leonhardt, Paul – 1/2-1/2 – Mackenzie, Arthur J – G17 1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d3 g6 5. Be3 Bg7 6. Qd2 a6 7. h3 Bd7 8. g3 b5 9. Bg2 Qc8 10. f4 b4
1926 Bardejov – Round 9 – Prokes, Ladislav – 1/2-1/2 – Tartakower, Savielly – G45 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 e6 5. Bg2 d5 6. exd5 exd5 7. O-O Be7 8. d4 cxd4 9. Nxd4 Bg4 10. Nxc6 bxc6
1926 Bardejov – Round 9 – Prokes, Ladislav – 1/2-1/2 – Tartakower, Savielly – G46 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 e6 5. Bg2 d5 6. exd5 exd5 7. O-O Be7 8. d4 cxd4 9. Nxd4 Bg4 10. Nxc6 bxc6
1926 Hannover – Round 7 – Mieses, Jacques – 1-0 – Antze, Oskar – G18 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Be6 7. d3 g6 8. O-O Bg7 9. Ne4 Qb6 10. Ng5 Nc7
1927 Moskou ch-URS – Round 13 – Ilyin Zhenevsky, Alexander – 0-1 – Makogonov, Vladimir – G35 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 d6 5. Bg2 g6 6. b3 Bg7 7. Bb2 O-O 8. O-O Bd7 9. Nd5 e6 10. Ne3 Qc7
1928 Bad Kissingen – Round 2 – Mieses, Jacques – 1/2-1/2 – Bogoljubow, Efim – G16 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 d6 5. d3 Nge7 6. Nec3 Nxd5 7. Nxd5 Be7 8. g3 O-O 9. Bg2 Be6 10. O-O Qd7
1938 URS Ch, semi final – Round 1 – Verlinsky, Boris – 0-1 – Pogrebissky, Iosif – G35 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. Nxc3 e6 8. d3 Be7 9. O-O O-O 10. Re1 Nd4
1940 Buenos Aires – Round 14 – Czerniak, David – 0-1 – Guimard, Jean Louis – G28 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 e6 7. O-O Nf6 8. d3 Be7 9. h3 O-O 10. Be3 Qb6
1946 Leningrad-Prague – Round 1 – Rohacek, Ivan – 1/2-1/2 – Rovner, Dmitry – G3 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nc7 7. Ne4 e6 8. d3 Be7 9. a4 O-O 10. O-O Nd5
1948 US Open – Round 6 – Evans, Larry M – 1-0 – Young, Walter Will – G34 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d6 5. Bg2 e6 6. O-O Bd7 7. d3 Be7 8. h3 Qc8 9. f4 e5 10. Kh2 h6
1951 San Rafael – Round ? – Kalkstein, Rodolfo – 0-1 – Bauza, Lorenzo – G33 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 e6 7. O-O Be7 8. d4 Nxc3 9. bxc3 O-O 10. Be3 Qa5
1951 San Rafael – Round ? – Kalkstein, Rodolfo – 0-1 – German, Eugenio – G34 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 4. Nxd4 cxd4 5. Ne2 e5 6. g3 d5 7. d3 Nf6 8. f3 Bc5 9. Bg2 O-O 10. O-O Be6
1954 Amsterdam olm – Round 1 – Papapavlou, Paulos – 1/2-1/2 – Fred, Aatos – G92 1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. g3 Bg4 5. Bg2 g6 6. h3 Bd7 7. O-O Bg7 8. d3 Rb8 9. Be3 Nd4 10. Kh2 b5
1954 Amsterdam olm – Round 9.2 – Keres, Paul – 1-0 – Darga, Klaus – G10 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. d3 d6 7. Be3 O-O 8. h3 e5 9. O-O Nd4 10. Kh2 Rb8
1955 Manhattan CC Ch 5556 – Round 15 – Bernstein, Sidney – 1/2-1/2 – Owens, Benjamin – G69 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 e6 7. O-O Nxc3 8. Nxc3 Be7 9. d3 Bd7 10. Qg4 O-O
1956 Montevideo – Round 1 – Aceituno Cantero, Jose Tomas – 1-0 – Rossetto, Hector – G32 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. h3 d6 8. d3 Nd4 9. Nxd4 cxd4 10. Ne2 e5
1956 Montreal – Round 1 – Bernstein Moren, Alvaro Javier – 1-0 – Zalys, Ignas – G17 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. f4 d6 5. b3 e6 6. g3 d5 7. Bg2 d4 8. Na4 Be7 9. Nb2 O-O 10. a4 Rb8
1956 Moscow olm fin-B – Round 9 – Kinzel, Anton – 1-0 – Hermann, Ludwig – G102 1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 e5 6. Nde2 Nf6 7. g3 Be7 8. Bg2 a6 9. Bg5 Be6 10. Qd2 Rc8
1956 New York Rosenwald – Round ? – Bernstein, Sidney – 1-0 – Bisguier, Arthur B – G24 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 d5 5. exd5 Nd4 6. Bg2 Bg4 7. O-O Nf3+ 8. Kh1 h5 9. d4 cxd4 10. Qd3 dxc3
1956 Olympiad Moscow RUS – Round 5 – Penrose, Justin – 1/2-1/2 – Pachman, Ludek – G22 1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Bc4 e6 7. O-O Nf6 8. Be3 Be7 9. Qe2 O-O 10. a4 Bd7
1958 Hamburg Ch – Round 3 – Tscheppe, Karl-Heinz – 0-1 – Clemens, Christian, Dr. – G6 1. e4 c5 2. Ne2 Nc6 3. Nbc3 g6 4. d3 Bg7 5. Be3 Nd4 6. Qd2 e6 7. Nd1 b6 8. c3 Nc6 9. f4 Nge7 10. g4 Bb7
1959 Santiago – Round 2 – Pachman, Ludek – 1-0 – Letelier Martner, Rene – G15 1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. d4 d5 5. exd5 exd5 6. dxc5 d4 7. Ne4 Qd5 8. Nd6+ Bxd6 9. cxd6 Bg4 10. f3 Bf5
1960 Leipzig olm fin-B – Round 7 – Filipowicz, Andrzej – 1-0 – Larusson, Gudmundur – G92 1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 e5 6. Nb3 f5 7. Bc4 Nf6 8. Bg5 Be7 9. Bxf6 Bxf6 10. Qd5 Rf8
1960 Leipzig olm fin-B – Round 9 – Filipowicz, Andrzej – 1/2-1/2 – Jimenez Zerquera, Eleazar – G115 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d3 d6 8. h3 Bd7 9. Be3 Ne8 10. Qd2 Nd4
1960 Sao Paulo zt – Round 11 – Recalde, Eleuterio – 0-1 – Wexler, Bernardo – G56 1. e4 c5 2. Ne2 e5 3. Nbc3 Nc6 4. d3 d6 5. Nd5 Nge7 6. Nec3 Be6 7. g3 Qd7 8. Bg2 Nd4 9. Be3 O-O-O 10. Nxe7+ Bxe7
1961 GBR Ch 48th – Round 10.8 – Gibbs, Peter Campbell – 1/2-1/2 – Lawrence, John A – G82 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 4. f4 e6 5. d3 Ne7 6. g3 Nf3+ 7. Kf2 Nd4 8. Be3 d5 9. exd5 Nxd5 10. Nxd5 Qxd5
1961 New York ch-USA – Round 7 – Bernstein, Sidney – 0-1 – Mednis, Edmar J – G35 1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. Nf4 Nf6 5. Bc4 e6 6. f3 a6 7. a4 Qc7 8. d3 Bd7 9. O-O Be7 10. Bd2 Na5
1961 Wch-jr final I – Round 11 – Pfleger, Helmut, Dr. – 1-0 – Thomson, Derec – G19 1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 4. d3 g6 5. Be3 Bg7 6. g3 Bg4 7. Bg2 Qc8 8. O-O Bh3 9. Bxh3 Qxh3 10. d4 cxd4
1962 CSR Ch – Round 15 – Hort, Vlastimil – 1/2-1/2 – Vesely, Jiri – G129 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 Nge7 5. Nec3 d6 6. Bc4 Nxd5 7. Nxd5 Be6 8. d3 Be7 9. O-O O-O 10. Qh5 a6
1962 Sarajevo – Round 3 – Kozomara, Vlado – 1/2-1/2 – Bobotsov, Milko G – G24 1. e4 c5 2. Ne2 e5 3. Nbc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. Nd5 Nge7 7. Nec3 Nxd5 8. Nxd5 Ne7 9. Nxe7 Qxe7 10. d3 d6
1962 Varna olm – Round 4 – Filipowicz, Andrzej – 0-1 – Shapiro, Adam – G175 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 4. Nxd4 cxd4 5. Ne2 e5 6. c3 dxc3 7. dxc3 Nf6 8. Ng3 Bc5 9. Bc4 O-O 10. O-O d6
1962 Whitby ch-BCF – Round 2 – Gibbs, Peter Campbell – 1-0 – Parr, Frank – G36 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 g6 5. Nec3 Bg7 6. Nb5 Kf8 7. Nd6 Nd4 8. c3 Ne6 9. Qf3 Bf6 10. Bc4 Kg7
1963 Europe Team Ch qual – Round 1.13 – Kinzel, Anton – 1-0 – Wolk, Sigmund – G4 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. g3 f5 5. d3 Nf6 6. Bg2 d6 7. Bg5 h6 8. Be3 Be6 9. O-O g5 10. exf5 Bxf5
1963 RUS Ch – Round ? – Bastrikov, Georgy – 0-1 – Belov, Lev A – G3 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 4. Nxd4 cxd4 5. Ne2 Nf6 6. d3 e5 7. g3 h5 8. h3 d6 9. Bg2 Be6 10. c3 dxc3
1964 Clare Benedict Cup 11th – Round 1 – Kinzel, Anton – 1-0 – Bordell Rosell, Roman – G2 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bf4 Be6 9. Na4 Nd7 10. O-O-O Ke8
1964 UKR Ch – Round 2 – Kostiuchenko, Alexander – 1-0 – Shidkov – G10 1. e4 c5 2. Ne2 Nc6 3. Nbc3 g6 4. d3 d6 5. Be3 Bg7 6. Qd2 Nd4 7. Nd1 e5 8. c3 Ne6 9. d4 exd4 10. cxd4 Nf6
1965 Pardubice – Round 8 – Blatny, Frantisek – 0-1 – Alster, Ladislav – G59 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 Nge7 5. Nec3 Nxd5 6. Nxd5 d6 7. Bb5 Be7 8. b4 cxb4 9. Nxb4 Bd7 10. Nd5 O-O
1965 WchT U26 12. fin-A – Round 7 – Jansa, Vlastimil – 1-0 – Partos, Charles – G44 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 d6 5. Nec3 Nd4 6. Bc4 Ne7 7. O-O Rb8 8. a4 a6 9. f4 Nec6 10. f5 b5
1966 Belgrade – Round 1 – Rakic, Tomislav – 0-1 – Nemet, Ivan – G10 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d5 5. exd5 Nd4 6. Nxd4 cxd4 7. Nb5 a6 8. Nxd4 e5 9. Nb3 Qxd5 10. f3 h5
1966 La Habana olm prel – Round 7 – Zwaig, Arne – 1/2-1/2 – Byrne, Robert E – G276 1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 4. d3 g6 5. h3 Bg7 6. g4 e6 7. Ng3 Nge7 8. Bg2 Rb8 9. Be3 b5 10. Qd2 Nd4
1966 Titovo Uzice – Round 1 – Nikolic, Stanimir – 1/2-1/2 – Parma, Brigitte – G31 1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d3 g6 5. Be3 Bg7 6. Qd2 Nd4 7. a3 Bd7 8. a4 e6 9. Ng3 Ne7 10. Be2 O-O
1966 Zinnowitz – Round 1 – Moehring, Guenther – 0-1 – Antoshin, Vladimir S – G2 1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. g3 d5 5. exd5 exd5 6. Bg2 d4 7. Nd5 Nf6 8. Nef4 Nxd5 9. Nxd5 Bd6 10. O-O O-O
1967 Cordoba Open – Round 8 – Marchetti Francisco – 0-1 – Bazan, Osvaldo – G19 1. e4 c5 2. Ne2 Nc6 3. Nbc3 a6 4. g3 b5 5. Bg2 Bb7 6. O-O e6 7. d4 cxd4 8. Nxd4 Qc7 9. Bf4 Qb6 10. Be3 Bc5
1967 Halle zt – Round 11 – Hort, Vlastimil – 1-0 – Kinnmark, Olof – G50 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8. d3 Be7 9. f4 exf4 10. Bxf4 Bg4
1967 Harrachov – Round 1 – Van den Berg, Ad – 1/2-1/2 – Polgar, Istvan – G40 1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. g3 d5 5. exd5 exd5 6. d3 Bg4 7. Bg2 Nf6 8. h3 Bxe2 9. Qxe2+ Be7 10. Bg5 O-O
1967 Havana Armies Ch 4th – Round 14 – Hort, Vlastimil – 1-0 – Myagmarsuren, Lkhamsuren – G87 1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. g3 d5 5. exd5 exd5 6. Bg2 d4 7. Nd5 Bd6 8. d3 Nge7 9. Nef4 O-O 10. O-O Nxd5
1967 October Revolution 50 – Round ? – Hort, Vlastimil – 1-0 – Osnos, Viatcheslav – G96 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d5 5. exd5 Nd4 6. Bg2 Bg4 7. O-O Nf3+ 8. Bxf3 Bxf3 9. d4 c4 10. Qd2 Nxd5
1968 Berlin – Round 1 – Csom, Istvan – 1-0 – Malich, Burkhard, Dr. – G4 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 e6 5. Bg2 d5 6. exd5 exd5 7. d4 cxd4 8. Nxd4 Bb4 9. O-O O-O 10. Bg5 Bxc3
1968 DDR Ch 17th – Round 4 – Schoeneberg, Manfred – 1-0 – Schmidt, Hermann – G18 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 4. d3 g6 5. Nxd4 cxd4 6. Ne2 Bg7 7. g3 d5 8. Bg2 dxe4 9. dxe4 e6 10. O-O Qb6
1968 Hungary – Round 1 – Honfi, K. – 0-1 – Liptay, Laszlo Dr. – G75 1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. g3 g6 5. Bg2 Bg7 6. O-O Rb8 7. a4 e6 8. d3 Nge7 9. Be3 Nd4 10. Qd2 O-O
1968 WchT U26 – Round 1 – Espig, Lutz – 1/2-1/2 – Formanek, Eduard – G23 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 4. Nxd4 cxd4 5. Ne2 e5 6. c3 dxc3 7. Nxc3 Bc5 8. Bc4 Nf6 9. d3 h6 10. O-O O-O
1969 Moskou ch-URS – Round 1 – Balashov, Yuri S – 1/2-1/2 – Zhukhovitsky, Samuel – G92 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 d6 5. Nec3 Be6 6. Bc4 g6 7. d3 Bg7 8. O-O Nge7 9. f4 exf4 10. Bxf4 O-O
1969 POL Ch 26th – Round 3 – Sydor, Andrzej – 1-0 – Szukszta, Janus – G9 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Ng3 Nf6 5. Bc4 Na5 6. d3 a6 7. a4 d6 8. O-O Be7 9. Ba2 Be6 10. f4 O-O
1970 Palma de Mallorca Interzonal – Round 12 – Larsen, Bent – 1/2-1/2 – Huebner, Robert – G156 1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. g3 Nge7 5. Bg2 Nd4 6. Nxd4 cxd4 7. Ne2 Nc6 8. O-O Be7 9. d3 d6 10. c3 dxc3
FIDE WCh KO 2000 – Round 2.4 – Short, Nigel D – 1/2-1/2 – Nataf, Igor-Alexandre – G82 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 Nf6 5. Nec3 Nxd5 6. Nxd5 Be7 7. Bc4 O-O 8. O-O d6 9. a4 Be6 10. d3 Rb8
FIDE World Blitz Championship 2025 – Round 11 – Naiditsch Arkadij – 0-1 – Praggnanandhaa R – G220 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. Nxc3 g6 8. Bxc6+ bxc6 9. Qf3 Bg7 10. O-O O-O
FIDE World Blitz Championship 2025 – Round 12 – Caruana Fabiano – 1-0 – Carlsen Magnus – G221 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. a5 Qc7 9. Re1 h6 10. h3 Re8
Global Chess League 2023 – Round 2.6 – Sindarov, Javokhir – 0-1 – Sadhwani, Raunak – G25 1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. g3 d5 5. exd5 exd5 6. Bg2 d4 7. Nd5 Nge7 8. Nef4 Nxd5 9. Nxd5 Bd6 10. O-O Be6
Linares 1992 – Round 4 – Short, Nigel D – 1-0 – Ljubojevic, Ljubomir – G17 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 a6 5. a4 Nf6 6. Nec3 Nb4 7. Bc4 Nbxd5 8. Nxd5 d6 9. d3 Nxd5 10. Bxd5 Qe7
World Blitz 2017 – Round 12.22 – Quparadze, Giga – 1-0 – Zhigalko, Sergei – G616 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 e5 5. Bg2 d6 6. O-O Be7 7. d3 O-O 8. f4 Nd4 9. f5 Rb8 10. a4 a6
World Blitz 2018 – Round 14.21 – Predke, Alexandr – 1-0 – Zhigalko, Sergei – G822 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 e5 5. Bg2 d6 6. d3 Be7 7. O-O O-O 8. f4 Rb8 9. a4 a6 10. fxe5 dxe5
World Blitz 2019 – Round 13.41 – Vastrukhin, Oleg – 0-1 – Paravyan, David – G886 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d3 Bg7 5. Be3 Nd4 6. Qd2 d6 7. Nd1 b5 8. c3 Nc6 9. d4 Nf6 10. f3 Nd7
World Blitz 2019 – Round 2.52 – Vallejo Pons, Francisco – 1-0 – Potapov, Pavel – G125 1. e4 c5 2. Ne2 Nc6 3. Nbc3 e5 4. Nd5 Nce7 5. Ne3 d5 6. exd5 Nxd5 7. Nxd5 Qxd5 8. Nc3 Qd8 9. Bb5+ Bd7 10. Qe2 Bd6
World Blitz 2021 – Round 18.10 – Sindarov, Javokhir – 1-0 – Maghsoodloo, Parham – G1035 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 Be7 5. Nec3 Nf6 6. Bc4 d6 7. d3 O-O 8. O-O Nxd5 9. Nxd5 Bg5 10. f4 exf4
World Rapid 2021 – Round 3.19 – Shirov, Alexei – 1-0 – Corrales Jimenez, Fidel – G144 1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Ng3 g6 5. Bc4 Bg7 6. d3 Nge7 7. f4 exf4 8. Bxf4 d6 9. Qd2 Be6 10. Bh6 Bxh6

B23n — Chameleon Variation

1.e4 c5 2.Nc3 Nc6 3.Nge2

Eval: [+0.10]

Les coups candidats

3…g6 — 30.9% (3287 parties) →

Ambassadeurs : Westerinen, Heikki M.J. (22x), Huber, Gregory (18x), Popov, Vladimir Valentinovich (17x), Kadric, Denis (17x), Galdunts, Sergey (16x), Soltis, Andrew (15x), Balazec, Ludovit (14x), Vallejo Pons, Francisco (13x)

3…Nf6 — 22.7% (2413 parties)

Ambassadeurs : Nekhaev, Andrey Ivanovich (36x), Popov, Vladimir Valentinovich (18x), Vallejo Pons, Francisco (11x), Tassone, Raffaele (11x), Märten, Thomas (10x), Volodarsky, Yury Aleksandrovich (10x), Ciolac, Gheorghe (9x), Galdunts, Sergey (9x)

3…d6 — 18.2% (1938 parties)

Ambassadeurs : Kontic, Djordjije (20x), Franzoni, Giancarlo (17x), Kadric, Denis (12x), Soltis, Andrew (11x), Galdunts, Sergey (11x), Tischbierek, Raj (11x), Zhelnin, Vladimir V (10x), Westerinen, Heikki M.J. (9x)

3…e6 — 17.0% (1813 parties)

Ambassadeurs : Kontic, Djordjije (18x), Jansa, Vlastimil (11x), Franzoni, Giancarlo (9x), Zhong, Kevin (9x), Hort, Vlastimil (9x), Bodnaruk, Anastasia (9x), Soltis, Andrew (8x), ? (8x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…g6	3…Nf6	3…d6	3…e6
<1800	167	33%	21%	13%	22%
1800-2200	2870	35%	22%	15%	18%
2200-2600	5857	28%	24%	20%	17%
2600+	140	25%	32%	11%	15%

Évolution par décennie (% des parties)

Décennie	N parties	3…g6	3…Nf6	3…d6	3…e6
1870s	1	—	—	—	100%
1890s	1	—	—	—	100%
1900s	8	62%	—	25%	—
1910s	1	—	—	—	100%
1920s	27	15%	33%	15%	26%
1930s	35	51%	17%	14%	11%
1940s	24	54%	17%	29%	—
1950s	70	37%	30%	20%	7%
1960s	222	29%	14%	29%	18%
1970s	205	29%	16%	22%	23%
1980s	469	23%	16%	26%	25%
1990s	2534	32%	18%	22%	17%
2000s	2627	29%	22%	19%	19%
2010s	3140	32%	26%	14%	16%
2020s	1272	32%	30%	13%	11%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…g6	32%	32%	▼ -0.6%
3…Nf6	26%	30%	▲ +3.5%
3…d6	14%	13%	▼ -1.3%
3…e6	16%	11%	▼ -5.3%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 10 parties
Kramnik, Vladimir — 7 parties
Anand, Viswanathan — 5 parties
Hou, Yifan — 5 parties
Lasker, Emanuel — 1 partie
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Ding, Liren — 1 partie

Parties historiques

3…g6 — 30.9% (3287 parties)

1903 — Marchand, Max vs Rubinstein, Akiba — 0-1 — Monte Carlo MNC
1903 — Marchand, Max vs Spielmann, Rudolf — 0-1 — Monte Carlo MNC
1903 — Mieses, Jacques vs Tarrasch, Siegbert — 0-1 — Monte Carlo MNC
1904 — Leonhardt, Paul vs Napier, William — 0-1 — London ENG
1904 — Leonhardt, Paul vs Charles-Odozie Richmond — 0-1 — Hastings ENG

3…Nf6 — 22.7% (2413 parties)

1920 — Mieses, Jacques vs Selezniev, Alexey — 1-0 — Goteborg SWE
1926 — Prokes, Ladislav vs Tartakower, Savielly — 1/2-1/2 — Bardejov
1926 — Mieses, Jacques vs Antze, Oskar — 1-0 — Hannover GER
1926 — Prokes, Ladislav vs Tartakower, Savielly — 1/2-1/2 — Bardejov
1927 — Ilyin Zhenevsky, Alexander vs Makogonov, Vladimir — 0-1 — Moskou ch-URS

3…d6 — 18.2% (1938 parties)

1904 — Leonhardt, Paul vs Hamond, Francis Edward — 1-0 — Hastings ENG
1904 — Leonhardt, Paul vs Mackenzie, Arthur J — 1/2-1/2 — London ENG
1925 — Crepeaux, Robert vs Winter, William — 0-1 — Bromley
1926 — Mieses, Jacques vs Saemisch, Friedrich — 1/2-1/2 — Hannover GER
1927 — Grigoriev, Nikolai vs Ilyin Zhenevsky, Alexander — 1-0 — Moscow RUS

3…e6 — 17.0% (1813 parties)

1873 — Paulsen, Louis vs Heral, Joseph — 1-0 — Vienna AUT
1893 — Lasker, Emanuel vs Celsito — 1-0 — Havana CUB
1915 — Kaufmann, Arthur vs Spielmann, Rudolf — 1-0 — Vienna Vienna AUT
1922 — Kostic, Boris vs Maroczy, Geza — 1-0 — Belgrade SRB
1924 — Duffield, Cyril vs Wright, George A — 1-0 — Southport ENG

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